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3 years ago

3 8ths as a percent

Mathematics

2 answers:

yKpoI14uk [10]3 years ago

5 0

3/8=.375
.375 move the decimal two times to the right to make it a percent so it would be 37.5%

kifflom [539]3 years ago

4 0

37.5 % is 3/8 as a percent

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Jamal is x years old. His mother is 28 years older than Jamal. Jamal's uncle is two times older than Jamal's mother. Write and s

eimsori [14]

Answer:

28x^2= y

x = jamal age

y= jamal's uncle age

Step-by-step explanation:

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3 years ago

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HELP ASAP

Naily [24]

Answer:

$y+4 = -\frac{1}{3} (x-1)$

Step-by-step explanation:

1) First, find the slope of the line. Use the slope formula $m = \frac{y_2-y_1}{x_2-x_1}$ to find the slope. Substitute the x and y values of the given points into the formula and solve:

$m = \frac{(-5)-(-4)}{(4)-(1)} \\m = \frac{-5+4}{4-1} \\m = \frac{-1}{3}$

So, the slope is $-\frac{1}{3}$ .

2) Use the point-slope formula $y-y_1 = m (x-x_1)$ to write the equation of the line in point-slope form. Substitute values for $m$ , $x_1$ , and $y_1$ into the formula.

Since $m$ represents the slope, substitute $-\frac{1}{3}$ in its place. Since $x_1$ and $y_1$ represent the x and y values of one point on the line, choose any one of the given points (it doesn't matter which one) and substitute the x and y values of it into the formula. (I chose (1,-4), as seen below). This gives the equation of the line in point-slope form.

$y-(-4) = -\frac{1}{3} (x-(1))\\y+4 = -\frac{1}{3} (x-1)$

5 0

2 years ago

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In a housing estate the direct proportion of flats to houses is 2:5. If there are 80 flats, how many houses are there?

Kobotan [32]

$80 \div 2 = 40 \\ 40 \times 5 = 200$
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3 years ago

34 is 60% of what number? 34w= Question 2 w= .

denpristay [2]

60 percent *34

=( 60:100)*34 =

( 60*34):100 =

2040:100 = 20.4

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2 years ago

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Cerrena [4.2K]

The length of the yard is 25ft.

In order to find this we first need to set up variables for the length and the width. Since we don't know anything about the width, we'll set it as x. Then, we know the length is equal to ten more than three times the width. Since the width is x, we can write the length as 3x + 10. Now we can use the formula for the perimeter of a rectangle to solve for x.

2l + 2w = P

2(3x + 10) + 2(x) = 60

6x + 20 + 2x = 60

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8x = 40

x = 5

Now that we have a value for x, we can plug into the length equation and find the length.

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3 years ago